An ex-Marine haunted by a tragic past, Tommy Riordan returns to his hometown of Pittsburgh and enlists his father, to train him for an MMA tournament awarding the biggest purse in the history of the sport. As Tommy blazes a violent path towards the title prize, his brother, Brendan, returns to the amateur ring to provide for his family. The two brothers must finally confront the forces that tore them apart, all the while waging the most intense, winner-takes-all...

Eight elite fighters, prisoners from maximum security prisons around the world, are brought together by a powerful underground gambling syndicate for a secret, survival-of-the-fiercest battle competition. The prize: freedom for the champion, except the syndicate doesn't plan on allowing anyone to walk free.

After an opponent dies mid-match, a prominent MMA champion swore never to fight again and retired to run his family's company. But when his best friend dies under suspicious circumstances, he has no choice but to step back in the ring.